求翻译：特别提醒：诊断高血压时，必须多次测量血压，至少有连续两次舒张压的平均值在90mmHg(12.0kPa)或以上才能确诊为高血压；仅一次血压升高者尚不能确诊，但需随访观察。是什么意思？

Special note: the diagnosis of hypertension, multiple measurements of blood pressure, at least twice the average diastolic blood pressure 90mmhg (12.0kpa) or more can be diagnosed with high blood pressure; only once the blood pressure is not yet confirmed, subject to follow-up observation.

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Reminds specially: When diagnosis hypertension, must the multiple metering blood pressure, at least have the continual two diastolic pressure mean value or above can diagnose in 90mmHg(12.0kPa) is hypertension; An only blood pressure ascension still could not diagnose, but had to make a follow-up vi

Special reminder: when a diagnosis of hypertension, measuring blood pressure must be repeated at least twice in a row the average 90mmHg diastolic pressure (12.0kPa) or above can be diagnosed hypertension; only one blood pressure cannot be confirmed, but required follow-up.

正在翻译，请等待...